- 1. preposition /baɪ/a) Near or next to.
The mailbox is by the bus stop.b) At some time before (the given time), or before the end of a given time interval.
Be back by ten oclock!2. adverb /baɪ/a) Along a path which runs by the speaker.
I watched as it passed by.
The was a shepherd close by.3. adjective /baɪ/Out of the way, subsidiary.4. noun /baɪ/A pass